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静脉留置针操作简单、方便、安全,可减少穿刺次数,减少病人痛苦。同时减少护理工作量,提高护理工作效率,在临床上得到广泛应用。而在临床上,如何做到“一针见血”选择血管很重要,静脉的选择直接影响穿刺的成功率且与静脉炎等并发症的发生有较大关系~([1])。穿刺的总原则是选择相对粗、直、弹性好、血流丰富无静脉瓣、无感染、避开关节的血管~([2])。而颈外静脉作为颈部最大的浅静脉,它平下颌角处沿胸锁乳突肌表面下行,在接近锁骨
Venous indwelling needle operation is simple, convenient and safe, can reduce the number of punctures, reduce patient pain. At the same time reduce the workload of nursing and improve the efficiency of nursing work, which has been widely used clinically. However, in clinical practice, it is very important to select the blood vessel. The choice of the vein has a direct impact on the success rate of the puncture and has a great relationship with the complications such as phlebitis (1). The general principle of puncture is the choice of relatively thick, straight, good elasticity, no blood flow vein valve, no infection, to avoid the arteries of the blood vessels ~ ([2]). The external jugular vein as the largest cervical superficial vein, which flat mandibular angle along the sternocleidomastoid surface down, near the collarbone